From b6f9e3cecc5474305f3d2a51ced04b186552d9ab Mon Sep 17 00:00:00 2001 From: Florian Forster Date: Tue, 6 Jul 2010 22:19:39 +0200 Subject: [PATCH] "show graph json" action: Implement action for exporting graph information as JSON. --- src/Makefile.am | 1 + src/action_show_graph_json.c | 122 +++++++++++++++++++++++++++++++++++ src/action_show_graph_json.h | 30 +++++++++ src/main.c | 2 + 4 files changed, 155 insertions(+) create mode 100644 src/action_show_graph_json.c create mode 100644 src/action_show_graph_json.h diff --git a/src/Makefile.am b/src/Makefile.am index d513262..e3d85b6 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -19,6 +19,7 @@ collection_fcgi_SOURCES = main.c \ action_list_graphs.c action_list_graphs.h \ action_search_json.c action_search_json.h \ action_show_graph.c action_show_graph.h \ + action_show_graph_json.c action_show_graph_json.h \ action_show_instance.c action_show_instance.h \ common.c common.h \ filesystem.c filesystem.h \ diff --git a/src/action_show_graph_json.c b/src/action_show_graph_json.c new file mode 100644 index 0000000..a182a62 --- /dev/null +++ b/src/action_show_graph_json.c @@ -0,0 +1,122 @@ +/** + * collection4 - action_show_graph_json.c + * Copyright (C) 2010 Florian octo Forster + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA + * + * Authors: + * Florian octo Forster + **/ + +#include +#include +#include +#include +#include +#include +#include + +#include "action_show_graph_json.h" +#include "common.h" +#include "graph.h" +#include "graph_ident.h" +#include "graph_instance.h" +#include "graph_list.h" +#include "utils_cgi.h" + +#include +#include + +struct show_graph_data_s +{ + graph_config_t *cfg; + _Bool first; +}; +typedef struct show_graph_data_s show_graph_data_t; + +static int show_instance_cb (graph_instance_t *inst, /* {{{ */ + void *user_data) +{ + show_graph_data_t *data = user_data; + graph_ident_t *ident; + char *ident_json; + + ident = inst_get_selector (inst); + if (ident == NULL) + return (ENOMEM); + + ident_json = ident_to_json (ident); + if (ident_json == NULL) + { + ident_destroy (ident); + return (ENOMEM); + } + + if (!data->first) + printf (",\n"); + data->first = 0; + + printf (" %s", ident_json); + + free (ident_json); + ident_destroy (ident); + return (0); +} /* }}} int show_instance_cb */ + +int action_show_graph_json (void) /* {{{ */ +{ + show_graph_data_t data; + char title[1024]; + graph_ident_t *ident; + char *ident_json; + + memset (&data, 0, sizeof (data)); + data.first = 1; + data.cfg = gl_graph_get_selected (); + if (data.cfg == NULL) + return (ENOMEM); + + ident = graph_get_selector (data.cfg); + if (ident == NULL) + return (ENOMEM); + + ident_json = ident_to_json (ident); + if (ident_json == NULL) + { + ident_destroy (ident); + return (ENOMEM); + } + + printf ("Content-Type: text/plain\n\n"); + + memset (title, 0, sizeof (title)); + graph_get_title (data.cfg, title, sizeof (title)); + json_escape_buffer (title, sizeof (title)); + + printf ("{\n"); + printf (" \"title\": \"%s\",\n", title); + printf (" \"selector\": %s,\n", ident_json); + printf (" \"instances\":\n"); + printf (" [\n"); + graph_inst_foreach (data.cfg, show_instance_cb, &data); + printf ("\n ]\n}\n"); + + free (ident_json); + ident_destroy (ident); + return (0); +} /* }}} int action_show_graph_json */ + +/* vim: set sw=2 sts=2 et fdm=marker : */ diff --git a/src/action_show_graph_json.h b/src/action_show_graph_json.h new file mode 100644 index 0000000..d824185 --- /dev/null +++ b/src/action_show_graph_json.h @@ -0,0 +1,30 @@ +/** + * collection4 - action_show_graph_json.h + * Copyright (C) 2010 Florian octo Forster + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA + * + * Authors: + * Florian octo Forster + **/ + +#ifndef ACTION_SHOW_GRAPH_JSON_H +#define ACTION_SHOW_GRAPH_JSON_H 1 + +int action_show_graph_json (void); + +#endif /* ACTION_SHOW_GRAPH_JSON_H */ +/* vim: set sw=2 sts=2 et fdm=marker : */ diff --git a/src/main.c b/src/main.c index 5dc5264..1132cba 100644 --- a/src/main.c +++ b/src/main.c @@ -40,6 +40,7 @@ #include "action_list_graphs.h" #include "action_search_json.h" #include "action_show_graph.h" +#include "action_show_graph_json.h" #include "action_show_instance.h" /* Include this last, so the macro magic of doesn't interfere @@ -62,6 +63,7 @@ static const action_t actions[] = { "list_graphs", action_list_graphs }, { "search_json", action_search_json }, { "show_graph", action_show_graph }, + { "show_graph_json", action_show_graph_json }, { "show_instance", action_show_instance }, { "usage", action_usage } }; -- 2.30.2